Angular-Momentum Modes in a Bosonic Condensate Trapped in the Inverse-Square Potential

IF 2.2 3区 综合性期刊 Q2 MULTIDISCIPLINARY SCIENCES
Symmetry-Basel Pub Date : 2023-11-14 DOI:10.3390/sym15112060
Hidetsugu Sakaguchi, Boris A. Malomed
{"title":"Angular-Momentum Modes in a Bosonic Condensate Trapped in the Inverse-Square Potential","authors":"Hidetsugu Sakaguchi, Boris A. Malomed","doi":"10.3390/sym15112060","DOIUrl":null,"url":null,"abstract":"In the mean-field approximation, the well-known effect of the critical quantum collapse in a 3D gas of particles pulled to the center by potential U(r)=−U0/2r2 is suppressed by repulsive inter-particle interactions, which create the otherwise non-existing s-wave ground state. Here, we address excited bound states carrying angular momentum, with the orbital and magnetic quantum numbers l and m. They exist above a threshold value of the potential’s strength, U0>l(l+1). The sectoral, tesseral, and zonal modes, which correspond to m=l, 0<m<l, and m=0, respectively, are found in an approximate analytical form for relatively small values of U0−l(l+1). Explicit results are produced for the p- and d-wave states, with l=1 and 2, respectively. In the general form, the bound states are obtained numerically, confirming the accuracy of the analytical approximation.","PeriodicalId":48874,"journal":{"name":"Symmetry-Basel","volume":"37 1","pages":"0"},"PeriodicalIF":2.2000,"publicationDate":"2023-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Symmetry-Basel","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3390/sym15112060","RegionNum":3,"RegionCategory":"综合性期刊","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MULTIDISCIPLINARY SCIENCES","Score":null,"Total":0}
引用次数: 0

Abstract

In the mean-field approximation, the well-known effect of the critical quantum collapse in a 3D gas of particles pulled to the center by potential U(r)=−U0/2r2 is suppressed by repulsive inter-particle interactions, which create the otherwise non-existing s-wave ground state. Here, we address excited bound states carrying angular momentum, with the orbital and magnetic quantum numbers l and m. They exist above a threshold value of the potential’s strength, U0>l(l+1). The sectoral, tesseral, and zonal modes, which correspond to m=l, 0
反平方势中玻色子凝聚体中的角动量模式
在平均场近似中,众所周知的临界量子坍缩效应在被势U(r)= - U0/2r2拉向中心的三维粒子气体中被粒子间的排斥性相互作用所抑制,从而产生了不存在的s波基态。在这里,我们处理携带角动量的激发态,轨道和磁量子数分别为l和m。它们存在于势强度的阈值U0>l(l+1)之上。分别对应于m=l、0<m<l和m=0的扇形、不规则和带状模态,在相对较小的U0−l(l+1)值中以近似解析形式存在。对于p波和d波状态产生了明确的结果,其中l分别=1和2。在一般形式下,用数值方法得到了束缚态,证实了解析近似的准确性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 求助全文
来源期刊
Symmetry-Basel
Symmetry-Basel MULTIDISCIPLINARY SCIENCES-
CiteScore
5.40
自引率
11.10%
发文量
2276
审稿时长
14.88 days
期刊介绍: Symmetry (ISSN 2073-8994), an international and interdisciplinary scientific journal, publishes reviews, regular research papers and short notes. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible. There is no restriction on the length of the papers. Full experimental and/or methodical details must be provided, so that results can be reproduced.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信